Home / 10,551.53-14,560.64-5,771.35

Finding the Fourth Proportional to 10,551.53, 14,560.64 and 5,771.35

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Solution

The fourth proportional to 10,551.53, 14,560.64 and 5,771.35 is: 7,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.53 : 14,560.64 = 5,771.35 : x
  2. Step 2: Convert to fraction form
    10,551.53/14,560.64 = 5,771.35/x
  3. Step 3: Cross multiply
    10,551.53x = 14,560.64 × 5,771.35
  4. Step 4: Simplify right side
    10,551.53x = 84,034,549.66
  5. Step 5: Solve for x
    x = 84,034,549.66/10,551.53
  6. Step 6: Final answer
    x = 7,964.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.